Italian startup plans offshore gravity storage system using deep-sea brine

Sizable Energy is developing a long-duration energy storage technology using submerged brine reservoirs, targeting deployments in southern Italy with a data-center-linked demonstrator expected in 2027.

First covered Nov 10, 2026 · 3:43 AM PT · 1 article

Italian startup plans offshore gravity storage system using deep-sea brine — Image via pv-magazine.com

Coverage

1d PV Magazine Italian startup plans offshore gravity storage projects — Italian company Sizable Energy is developing a long-duration offshore energy storage system that uses deep-sea brine reservoirs to store electricity, with its…

More coverage from around the web

ess-news.com Sizable Energy plans offshore gravity storage projects in Italy - Energy Storage

electrek.co This startup raised $8M to store clean energy under the sea

businesswire.com Sizable Energy Raises $8 Million to Launch Ocean-Based Energy Storage

modernpowersystems.com Sizable Energy raises $8m for ocean-based energy storage tech - Modern Power Systems

canarymedia.com This startup wants to build pumped hydro storage in…

Appeared in: 2026-11-11 (#10)

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